mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-23 17:15:31 +00:00
Code Activity

fix warning messages

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-15 04:11:11 +02:00
parent f3d94db889
commit 43bc6caa55
7 changed files with 35 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

19
src/ast/rewriter/seq_rewriter.cpp
View file

@ -553,6 +553,9 @@ bool seq_rewriter::reduce_eq(expr* l, expr* r, expr_ref_vector& lhs, expr_ref_ve
}
else if(m_util.str.is_unit(l, a) &&
m_util.str.is_unit(r, b)) {
if (m.are_distinct(a, b)) {
return false;
}
lhs.push_back(a);
rhs.push_back(b);
m_lhs.pop_back();
@ -561,11 +564,7 @@ bool seq_rewriter::reduce_eq(expr* l, expr* r, expr_ref_vector& lhs, expr_ref_ve
else if (m_util.str.is_unit(l, a) && m_util.str.is_string(r, s)) {
SASSERT(s.length() > 0);
unsigned ch = s[s.length()-1];
SASSERT(s.num_bits() == m_butil.get_bv_size(a));
expr_ref bv(m());
bv = m_butil.mk_numeral(ch, s.num_bits());
expr_ref bv = m_util.str.mk_char(s, s.length()-1);
SASSERT(m_butil.is_bv(a));
lhs.push_back(bv);
rhs.push_back(a);
@ -611,6 +610,9 @@ bool seq_rewriter::reduce_eq(expr* l, expr* r, expr_ref_vector& lhs, expr_ref_ve
}
else if(m_util.str.is_unit(l, a) &&
m_util.str.is_unit(r, b)) {
if (m.are_distinct(a, b)) {
return false;
}
lhs.push_back(a);
rhs.push_back(b);
++head1;
@ -618,12 +620,7 @@ bool seq_rewriter::reduce_eq(expr* l, expr* r, expr_ref_vector& lhs, expr_ref_ve
}
else if (m_util.str.is_unit(l, a) && m_util.str.is_string(r, s)) {
SASSERT(s.length() > 0);
unsigned ch = s[0];
SASSERT(s.num_bits() == m_butil.get_bv_size(a));
expr_ref bv(m());
bv = m_butil.mk_numeral(ch, s.num_bits());
expr_ref bv = m_util.str.mk_unit(s, 0);
SASSERT(m_butil.is_bv(a));
lhs.push_back(bv);
rhs.push_back(a);

14
src/ast/seq_decl_plugin.cpp
View file

@ -124,7 +124,7 @@ bool zstring::contains(zstring const& other) const {
int zstring::indexof(zstring const& other, int offset) const {
SASSERT(offset >= 0);
if (offset == length()) return -1;
if (static_cast<unsigned>(offset) == length()) return -1;
if (other.length() + offset > length()) return -1;
unsigned last = length() - other.length();
for (unsigned i = static_cast<unsigned>(offset); i <= last; ++i) {
@ -312,18 +312,14 @@ void seq_decl_plugin::init() {
sort* boolT = m.mk_bool_sort();
sort* intT = arith_util(m).mk_int();
sort* predA = array_util(m).mk_array_sort(A, boolT);
sort* u16T = 0;
sort* u32T = 0;
sort* seqAseqA[2] = { seqA, seqA };
sort* seqAreA[2] = { seqA, reA };
sort* reAreA[2] = { reA, reA };
sort* AA[2] = { A, A };
sort* seqAint2T[3] = { seqA, intT, intT };
sort* seq2AintT[3] = { seqA, seqA, intT };
sort* str2T[2] = { strT, strT };
sort* str3T[3] = { strT, strT, strT };
sort* strTint2T[3] = { strT, intT, intT };
sort* re2T[2] = { reT, reT };
sort* strTreT[2] = { strT, reT };
sort* str2TintT[3] = { strT, strT, intT };
sort* seqAintT[2] = { seqA, intT };
@ -612,6 +608,14 @@ app* seq_util::mk_skolem(symbol const& name, unsigned n, expr* const* args, sort
app* seq_util::str::mk_string(zstring const& s) { return u.seq.mk_string(s); }
expr_ref seq_util::str::mk_char(zstring const& s, unsigned idx) {
bv_util bvu(m());
unsigned ch = s[idx];
return expr_ref(bvu.mk_numeral(ch, s.num_bits()), m());
}
bool seq_util::str::is_string(expr const* n, zstring& s) const {
if (is_string(n)) {
s = zstring(to_app(n)->get_decl()->get_parameter(0).get_symbol().bare_str());

1
src/ast/seq_decl_plugin.h
View file

@ -207,6 +207,7 @@ public:
app* mk_string(char const* s) { return mk_string(symbol(s)); }
app* mk_string(std::string const& s) { return mk_string(symbol(s.c_str())); }
expr_ref mk_unit_char(zstring const& s, unsigned idx);
public:
str(seq_util& u): u(u), m(u.m), m_fid(u.m_fid) {}